Material spreader frame



FIG. 1 is a top plan view of a material spreader frame showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is an end view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a reduced top perspective view thereof. 

The ornamental design for a material spreader frame, as shown and described. 